Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

Roof Brace Kit - Ø 125 (15-125-123)

National Flues offers the Roof Brace Kit - Ø 125, a premier stabilising solution for chimneys that extend above the roof. This high-quality kit is designed and manufactured in the UK, delivering impeccable safety and performance for solid fuel, gas, and oil appliances. Read more...
Roof Brace Kit - Ø 125
IN STOCK
Product Thumbnail
Now only £58.99
Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Provides robust stability for chimneys extending over 1.5m above the roof
  • Adjustable arms from 1.5m to 2.3m for versatile installation
  • Dual-layer stainless steel construction (304 outer, 316 inner, both 0.4mm thick)
  • Suitable for wood, oil, and gas appliances
  • TWPro model is HETAS Approved and CE marked for guaranteed safety
  • Insulated with high-density compressed rockwool for enhanced thermal resistance

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The Roof Brace Kit - Ø 125 is designed to provide exceptional stability for chimneys extending above the roofline. This kit is essential if your chimney extends 1.5 metres or more above the roof. It is suitable for use with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers.

Constructed with high-grade materials, the outer skin is made from 304-grade stainless steel, while the inner skin is crafted from 316-grade stainless steel. Both are 0.4mm thick for durability and longevity. The insulation is made of compressed rockwool, offering a density of 200kg/m3 for TWPro and 128kg/m3 for KC models, ensuring excellent thermal resistance.

The TWPro variant has a 50mm clearance to combustibles, while the KC version requires a 60mm clearance. TWPro is both HETAS Approved and CE marked, verifying its quality and safety. Installation is straightforward, with parts secured using a Locking Band.

Ensure to maintain the required distance from any combustible materials like wood or plasterboard for safe operation.

SKU: 15-125-123

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
SKU15-125-123
ModelRoof Brace Kit - Ø 125
Outer Material304 Stainless Steel (0.40mm thick)
Inner Material316 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (200kg/m3 TWPro, 128kg/m3 KC)
Adjustable Arm Range1.5m to 2.3m
ClearanceTWPro: 50mm, KC: 60mm
ApprovalsHETAS Approved, CE marked
UsageCompatible with solid fuel, gas, and oil appliances
Before installation, confirm that your chimney extends more than 1.5 metres above the roofline. Begin by setting up the adjustable arms, ensuring they span from 1.5m to 2.3m as required. Secure all components using the provided Locking Band, and always maintain a clearance of 50mm for the TWPro model or 60mm for the KC model from any combustible materials. Follow all manufacturer guidelines and local building codes for a safe and compliant installation. If in doubt, consult a professional installer to guarantee optimal performance and safety.

The Roof Brace Kit - Ø 125 is used to stabilise chimneys that extend more than 1.5 metres above the roof, ensuring they remain securely in place.

Yes, the Roof Brace Kit is suitable for solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and boilers.

The kit features outer and inner skins made from 304 and 316-grade stainless steel respectively, both 0.4mm thick. The insulation consists of compressed rockwool.

The TWPro model is HETAS Approved and CE marked, meeting rigorous safety and quality standards.

Installation is easy with the use of a Locking Band to secure all parts. Ensure to maintain the specified clearance from any combustible materials.

The TWPro variant has a 50mm clearance, while the KC variant requires a 60mm clearance to combustibles.

The arms of the Roof Brace Kit are adjustable from 1.5 metres to 2.3 metres in length, providing flexibility in installation.

 

Call the Experts   8am-5pm
👀 8 people watching this